feat(agent-read): 관리자 에이전트 닉네임 검색 컨트롤러를 추가한다

src/main/kotlin/kr/co/vividnext/sodalive/admin/partner/agent/read/AdminAgentReadController.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.admin.partner.agent.read
 
+import kr.co.vividnext.sodalive.admin.member.AdminSimpleMemberResponse
 import kr.co.vividnext.sodalive.common.ApiResponse
 import org.springframework.data.domain.Pageable
 import org.springframework.security.access.prepost.PreAuthorize
@@ -28,6 +29,14 @@ class AdminAgentReadController(
         service.searchAssignableCreators(searchWord = searchWord, offset = pageable.offset, limit = pageable.pageSize.toLong())
     )
 
+    @GetMapping("/search-by-nickname")
+    fun searchAgentByNickname(
+        @RequestParam(value = "search_word") searchWord: String,
+        @RequestParam(value = "size", required = false) size: Int?
+    ): ApiResponse<List<AdminSimpleMemberResponse>> = ApiResponse.ok(
+        service.searchAgentByNickname(searchWord = searchWord, size = size ?: 20)
+    )
+
     @GetMapping("/{agentId}/creator/list")
     fun getAssignedCreators(
         @PathVariable agentId: Long,